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DA9155M Datasheet(PDF) 29 Page - Dialog Semiconductor

Part # DA9155M
Description  2.5 A Companion Charger for rapid charging
PDF  36 Pages
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Manufacturer  DIALOG [Dialog Semiconductor]
Direct Link  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA9155M Datasheet(HTML) 29 Page - Dialog Semiconductor

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DA9155M
2.5 A Companion Charger for rapid charging
11.3.5
Safety Timer
TIMER_A (0x00C)
Field
Slice
Description
TIMER_COUNT
7:0
Countdown value of the safety timer. Decremented at 1 s
intervals. Reading the register gives the current timer value.
Writing the register has no affect.
TIMER_B (0x00D)
Field
Slice
Description
TIMER_LOAD
7:0
Safety timer pre-load and re-load. Writing the register when
the buck is not enabled sets the pre-load value. The pre-load
value is automatically loaded in to TIMER_COUNT the next
time the buck is enabled. Writing the register during buck
operation loads the written value in to TIMER_COUNT.
11.3.6
Buck Control
BUCK_CTRL (0x00E)
Field
Slice
Description
Reserved
7:1
BUCK_EN
0:0
Buck enable. The register is also set at the rising edge of the
EN pin and cleared at the falling edge.
BUCK_ILIM (0x00F)
Field
Slice
Description
Reserved
7:5
BUCK_ILIM
4:0
Peak current limit. BUCK_ILIM=(3000+N×100) mA
The maximum value is 5.5 A (0x19). Any value greater than
the maximum will be stored in the register but limited to the
maximum at the output
BUCK_IOUT (0x010)
Field
Slice
Description
BUCK_IOUT
7:0
Buck output current. IOUT=250+(N×10) mA
The minimum value is 400 mA (0x0F). The maximum value is
2.5 A (0xE1). Any value greater than the maximum will be
stored in the register but limited to the maximum at the output.
Datasheet
v3.05
22-July-2016
CFR0011-120-00 Rev 5
29 of 36
© 2016 Dialog Semiconductor



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